CVE-2023-40812 in OpenCRX
Summary
by MITRE • 11/18/2023
OpenCRX version 5.2.0 is vulnerable to HTML injection via the Accounts Group Name Field.
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Analysis
by VulDB Data Team • 10/24/2025
The vulnerability in OpenCRX version 5.2.0 represents a critical HTML injection flaw that resides within the Accounts Group Name field, creating a significant security risk for organizations utilizing this customer relationship management platform. This type of vulnerability falls under the CWE-79 category, which specifically addresses Cross-Site Scripting (XSS) vulnerabilities where improper validation or sanitization of user input allows malicious scripts to be executed in the context of other users' browsers. The flaw enables attackers to inject arbitrary HTML code into the group name field, potentially leading to unauthorized access, data theft, or system compromise.
The technical implementation of this vulnerability stems from insufficient input validation mechanisms within the OpenCRX application's account management functionality. When users enter data into the Accounts Group Name field, the system fails to properly sanitize or escape special characters that could be interpreted as HTML markup or JavaScript code. This lack of proper input filtering creates an exploitable entry point where malicious actors can craft payloads containing script tags, event handlers, or other HTML elements designed to execute in the victim's browser context. The vulnerability is particularly concerning because group names are often displayed in user interfaces, making them prime targets for XSS attacks.
The operational impact of this HTML injection vulnerability extends beyond simple script execution and can result in severe consequences for affected organizations. Attackers could potentially redirect authenticated users to malicious websites, steal session cookies, or perform actions on behalf of legitimate users through techniques like CSRF (Cross-Site Request Forgery) exploitation. The vulnerability may also enable attackers to escalate privileges within the application, especially if the group name field is used in authorization contexts or if the injected HTML can manipulate application behavior. Additionally, this weakness could facilitate further attacks by providing a foothold for more sophisticated exploitation techniques, including credential theft and data exfiltration.
Organizations should implement immediate mitigations including comprehensive input validation and output encoding for all user-supplied data within the Accounts Group Name field. The recommended approach involves implementing strict sanitization routines that remove or escape potentially dangerous characters such as angle brackets, script tags, and event handlers before processing user input. Security measures should also include Content Security Policy (CSP) headers to prevent execution of unauthorized scripts, proper HTTPOnly flags on session cookies, and regular security audits of web application components. Organizations must also consider implementing Web Application Firewalls (WAF) rules specifically targeting HTML injection patterns and ensure that all users are running patched versions of OpenCRX. The vulnerability aligns with ATT&CK technique T1566 which covers Social Engineering tactics, as attackers can leverage this weakness to manipulate users into executing malicious scripts through seemingly legitimate application interfaces, making the mitigation strategy crucial for maintaining application integrity and user trust.